(With good luck) I was in front of the screen and at my PC with Win8.1 x64 popped up a speech bubble, that the driver of the Intel iGPU (HD Graphics) failed and restarted.
In BOINC was running a *guppi* (without .vlar) on the iGPU (with outdated r3330 app (maybe bad cmdline settings?)) and stalled at ~ 1/5 or the normally calculation time of a normally AR WU.
IIRC it was the first time that the iGPU calculated this kind of WU.

If I'm not in front of the screen and driver restarts happens, where I can see a history of (Intel, NVIDIA, ATI/AMD) driver restarts (at Win8.1 x64, Win8.1 Pro x64 and Win10 Pro x64)?

Thanks.

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Windows has an Event Log (with which I am not familiar) where you might find that logged.
Perhaps someone more familiar with it than I am can give you specific info.
Or try Googling it.
Or open the Start Menu (click the start button) then click Help and Support then type in Event Log and see what you get. I would look for a tutorial on the web to explain it, though.

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Reliability monitor is a good place to start in windows. If windows caught the event it might tell you in there.

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As mentioned the Windows Event Log will have the record.
http://i.imgur.com/5KWvT4f.png
I believe the event ID you want to look for is 4101, but since you know exactly when your crashed happened you can look at the events for that time period to find it if the ID is not 4101.
You can right click and select to filter the view by ID if you want to find all of the crash events that are logged.

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